Table 1.
Demographic description of the cohort.
| Control | Asthma | CF | |
|---|---|---|---|
| n | 62 | 27 | 57 |
| Male/female | 28/34 | 21/6 | 46/11 |
| Age in years (min–max) | 10.10 (8–12) | 10.00 (8–12) | 10.61 (6–12) |
| FEV1 in L (min–max) | 1.99 (1.15–3.18) | 1.83 (1.26–2.35) | 1.92 (0.88–3.34) |
| FEV1 z-score ± SD | −0.44 ± 1.08 | −0.43 ± 0.79 | −1.78 ± 1.37 |
| FVC in L (min–max) | 2.36 (1.44–3.87) | 2.25 (1.53–3.34) | 2.40 (1.04–3.86) |
| FVC z-score ± SD | −0.17 ± 0.79 | 0.12 ± 0.93 | −1.42 ± 1.32 |
| % antibiotic use within 4 weeks prior to sampling | 1.61 | 3.70 | 45.61 |
FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity. z-scores were calculated following the Global Lung Function Initiative (GLI) equation from 2012 [44].